From bf5c95646c485e7d26bd0c4b9fd1597c4a6c1820 Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Tue, 30 Apr 2024 19:09:05 +0200
Subject: [PATCH] small fix for Fireworks 1D (MM specific)

effect did not clean up its canvas initially, leading to sporadic "lost pixels".
---
 wled00/FX.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/wled00/FX.cpp b/wled00/FX.cpp
index 36a40afd..0f6bb40a 100644
--- a/wled00/FX.cpp
+++ b/wled00/FX.cpp
@@ -3552,7 +3552,10 @@ uint16_t mode_exploding_fireworks(void)
   if (SEGLEN == 1) return mode_static();
   const uint16_t cols = strip.isMatrix ? SEGMENT.virtualWidth() : 1;
   const uint16_t rows = strip.isMatrix ? SEGMENT.virtualHeight() : SEGMENT.virtualLength();
-  if (SEGENV.call == 0) SEGENV.setUpLeds();   // WLEDMM use lossless getPixelColor()
+  if (SEGENV.call == 0) {
+    SEGENV.setUpLeds();   // WLEDMM use lossless getPixelColor()
+    SEGMENT.fill(BLACK);
+  }
 
   //allocate segment data
   uint16_t maxData = FAIR_DATA_PER_SEG; //ESP8266: 256 ESP32: 640